A Moment of Science

Posts tagged veins

July 14, 2014

 

A Mechanical Leech?

There aren't too many of us who think leeches are cool--but they are still used in medicine, and now there is even a mechanical leech.

January 9, 2014

 

A multitude of red blood cells packed together

Oy Veins!

Have you ever wondered how those pesky varicose veins form?

September 11, 2012

 

heard drawn in the sand

William Harvey, Circulation, And History!

Through the early 1600s, physicians believed there were two kinds of blood, one made by the liver and one by the heart...

April 29, 2008

 

Blue vein in wrist

True Blue Inside of You?

Did you ever hear that blood is actually blue inside your body, but turns red instantly on contact with air? Learn more on this Moment of Science.

September 27, 2003

 

Falling Leaves

Why can’t leaves change colors, stay on their trees, and change back to green again when spring comes?

September 27, 2003

 

Swollen Hands and Walking

Swollen Hands and Walking, on today’s Moment of Science. Do your hands swell up when you walk? If they do, it probably has to do with your circulation. The circulatory system is a one way street. Blood flows away from the heart in the arteries, down the arms and legs then back up to the […]

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